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Finding the Fourth Proportional to 2,886.39, 4,326.84 and 937.32

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Solution

The fourth proportional to 2,886.39, 4,326.84 and 937.32 is: 1,405.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.39 : 4,326.84 = 937.32 : x
  2. Step 2: Convert to fraction form
    2,886.39/4,326.84 = 937.32/x
  3. Step 3: Cross multiply
    2,886.39x = 4,326.84 × 937.32
  4. Step 4: Simplify right side
    2,886.39x = 4,055,633.67
  5. Step 5: Solve for x
    x = 4,055,633.67/2,886.39
  6. Step 6: Final answer
    x = 1,405.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.